/*
 * Copyright 2001-2005 (C) MetaStuff, Ltd. All Rights Reserved.
 *
 * This software is open source.
 * See the bottom of this file for the licence.
 */

package org.dom4j.datatype;

import com.sun.msv.datatype.xsd.XSDatatype;

import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;

import org.dom4j.DocumentFactory;
import org.dom4j.Element;
import org.dom4j.QName;

/**
 * <p> <code>NamedTypeResolver</code> resolves named types for a given QName.
 * </p>
 * 
 * @author Yuxin Ruan
 * @version $Revision: 1.2 $
 */
class NamedTypeResolver
{
   protected Map complexTypeMap = new HashMap();

   protected Map simpleTypeMap = new HashMap();

   protected Map typedElementMap = new HashMap();

   protected Map elementFactoryMap = new HashMap();

   protected DocumentFactory documentFactory;

   NamedTypeResolver(DocumentFactory documentFactory)
   {
      this.documentFactory = documentFactory;
   }

   void registerComplexType(QName type, DocumentFactory factory)
   {
      complexTypeMap.put(type, factory);
   }

   void registerSimpleType(QName type, XSDatatype datatype)
   {
      simpleTypeMap.put(type, datatype);
   }

   void registerTypedElement(Element element, QName type,
      DocumentFactory parentFactory)
   {
      typedElementMap.put(element, type);
      elementFactoryMap.put(element, parentFactory);
   }

   void resolveElementTypes()
   {
      Iterator iterator = typedElementMap.keySet().iterator();

      while(iterator.hasNext())
      {
         Element element = (Element) iterator.next();
         QName elementQName = getQNameOfSchemaElement(element);
         QName type = (QName) typedElementMap.get(element);

         if(complexTypeMap.containsKey(type))
         {
            DocumentFactory factory =
               (DocumentFactory) complexTypeMap.get(type);
            elementQName.setDocumentFactory(factory);
         }
         else if(simpleTypeMap.containsKey(type))
         {
            XSDatatype datatype = (XSDatatype) simpleTypeMap.get(type);
            DocumentFactory factory =
               (DocumentFactory) elementFactoryMap.get(element);

            if(factory instanceof DatatypeElementFactory)
            {
               ((DatatypeElementFactory) factory).setChildElementXSDatatype(
                  elementQName, datatype);
            }
         }
      }
   }

   void resolveNamedTypes()
   {
      resolveElementTypes();
   }

   private QName getQNameOfSchemaElement(Element element)
   {
      String name = element.attributeValue("name");

      return getQName(name);
   }

   private QName getQName(String name)
   {
      return documentFactory.createQName(name);
   }
}

/*
 * Redistribution and use of this software and associated documentation
 * ("Software"), with or without modification, are permitted provided that the
 * following conditions are met:
 * 
 * 1. Redistributions of source code must retain copyright statements and
 * notices. Redistributions must also contain a copy of this document.
 * 
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation
 * and/or other materials provided with the distribution.
 * 
 * 3. The name "DOM4J" must not be used to endorse or promote products derived
 * from this Software without prior written permission of MetaStuff, Ltd. For
 * written permission, please contact dom4j-info@metastuff.com.
 * 
 * 4. Products derived from this Software may not be called "DOM4J" nor may
 * "DOM4J" appear in their names without prior written permission of MetaStuff,
 * Ltd. DOM4J is a registered trademark of MetaStuff, Ltd.
 * 
 * 5. Due credit should be given to the DOM4J Project - http://www.dom4j.org
 * 
 * THIS SOFTWARE IS PROVIDED BY METASTUFF, LTD. AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL METASTUFF, LTD. OR ITS CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 * 
 * Copyright 2001-2005 (C) MetaStuff, Ltd. All Rights Reserved.
 */
